Top 1000+ Solved Chemistry MCQ Questions Answer
Q. What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper?
a. There is a crackling sound
b. There is a violent explosion
c. There is no reaction
d. The paper ignites
Q. Most commonly used bleaching agent is –
a. Sodium chloride
b. Alcohol
c. Carbon dioxide
d. Chlorine
Q. The heat value of combustion of Gasoline is -
a. 12600 kJ/kg
b. 14600 kJ/kg
c. 39400 kJ/kg
d. 47000 kJ/kg
Q. Who developed the model of atomic structure?
a. Bohr and Rutherford
b. Volta
c. Alfred Nobel
d. Faraday
Q. Which of the following is the main compound of voter ink?
a. Silver nitrate
b. Ammonium Chloride
c. Silver Chloride
d. Ammonium Nitrate
Q. What is a common name for the substance which irritates lachrymal glands?
a. Tear Gas
b. Laughing Gas
c. Anaesthetic Gas
d. Noble Gas
Q. Which of the following does not give benzoic acid on hydrolysis?
a. phenyl cyanide
b. benzoyl chloride
c. benzyl chloride
d. methyl benzoate
Q. Which of the following gases is known as “Laughing Gas”?
a. Nitrous oxide
b. Nitrogen peroxide
c. Nitrogen
d. Nitric oxide
Q. Inert gases are -
a. Miscible with water
b. Not stable
c. Chemically uncreative
d. Chemically very active
Q. The metallic constituents of hard water are -
a. Magnesium, Calcium and tin
b. Iron, tin and calcium
c. Calcium, magnesium and iron
d. Magnesium, tin and iron